<template>
  <view class="cart-settle" v-if="cart.length!==0">
    <my-address></my-address>
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <uni-swipe-action >
      <block v-for="(val,index) in cart" :key="index">
        <!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过 options 属性来指定操作按钮的配置信息 -->
        <uni-swipe-action-item :options="options" @click="removeItem(val)">
          <my-goods :goods="val" :showRadio="true" @changeRadio="changeRadio" :showBox="true" @countChange="countChange"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <my-settle></my-settle>
  </view>
  
    <view class="empty-cart" v-else>
      <image src="https://api-hmugo-web.itheima.net/static/cart_empty@2x.png" class="empty-img"></image>
      <text class="tip-text">空空如也~</text>
    </view>
</template>

<script>
  import tabbarBadge from '@/mixins/tabbar-badge.js'
  import {
    mapState,
    mapMutations,
    mapGetters
  } from 'vuex'
  export default {
    mixins: [tabbarBadge],
    data() {
      return {
        options: [{
          text: "删除",
          style: {
            backgroundColor: "#C00000"
          },
        }]
      };
    },
    computed: {
      ...mapState('m_cart', ['cart']),
    },
    methods: {
      ...mapMutations('m_cart', ['changeState', 'changeCount', 'removeGoodsById']),
      changeRadio(val) {
        console.log(val.state);
        this.changeState(val)
      },
      countChange(e) {
        this.changeCount(e)
      },
      removeItem(goods) {
        this.removeGoodsById(goods.goods_id)
      }
    }
  }
</script>

<style lang="scss">
  .cart-settle {
    padding-bottom: 50px;
  }
  .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    border-bottom: 1px solid #efefef;

    .cart-title-text {
      margin-left: 10px;
    }


  }
  .empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
  
    .empty-img {
      width: 90px;
      height: 90px;
    }
  
    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }

</style>
